一般说来,有两个意思
1 === it is very good (- - - - - 真好.) 如：
It is very nice to talk with you.(能与你交谈真好)
2 it is very nice (of sb.to do sth.) === it is very kind of sb.to do sth.（某人真好,- - - - -）如 It is very nice of you to give us so much help.(你真好,给我们这么多帮助)